package com.hermes.common.logging;

import java.io.IOException;

import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.log4j.xml.DOMConfigurator;

public class Log4jInit extends HttpServlet {

    private static final long serialVersionUID = 1L;

    /**
      * Constructor of the object.
      */
    public Log4jInit() {
        super();
    }

    /**
     * Destruction of the servlet. <br>
     */
    public void destroy() {
        super.destroy(); // Just puts "destroy" string in log
        // Put your code here
    }

    /**
     * The doGet method of the servlet. <br>
     *
     * This method is called when a form has its tag value method equals to get.
     * 
     * @param request the request send by the client to the server
     * @param response the response send by the server to the client
     * @throws ServletException if an error occurred
     * @throws IOException if an error occurred
     */
    public void doGet(HttpServletRequest request, HttpServletResponse response)
                                                                               throws ServletException,
                                                                               IOException {
    }

    /**
     * The doPost method of the servlet. <br>
     *
     * This method is called when a form has its tag value method equals to post.
     * 
     * @param request the request send by the client to the server
     * @param response the response send by the server to the client
     * @throws ServletException if an error occurred
     * @throws IOException if an error occurred
     */
    public void doPost(HttpServletRequest request, HttpServletResponse response)
                                                                                throws ServletException,
                                                                                IOException {

    }

    /**
     * Initialization of the servlet. <br>
     *
     * @throws ServletException if an error occure
     */
    public void init(ServletConfig config) throws ServletException {
        // Put your code here
        super.init(config);
        String prefix = getServletContext().getRealPath("/");
        String file = getInitParameter("log4jConfig");
        System.out.println("--------  Log4J Start  --------- ");
        if (file != null) {
            DOMConfigurator.configure(prefix + file);
        }
    }

}